package com.bdqn.demo.servlet;
import com.bdqn.demo.pojo.User;
import com.bdqn.demo.service.UserService;
import com.bdqn.demo.service.impl.UserServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

public class LoginServlet extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setContentType("text/html;charset=utf-8");
        req.setCharacterEncoding("utf-8");
        UserService userService=new UserServiceImpl();
        User user=new User();
        user.setUsername(req.getParameter("username"));
        user.setPassword(req.getParameter("password"));
        int result=userService.loginUser(user);
        if(result>0){
            req.getSession().setAttribute("username",user.getUsername());
            req.setAttribute("message","登录成功");
            req.getRequestDispatcher("login.jsp").forward(req,resp);
        }else {
            req.setAttribute("message","用户名或密码错误");
            req.getRequestDispatcher("index.jsp").forward(req,resp);
        }
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        this.doGet(req,resp);
    }
}
